Specialize inplace_support for NoAutoDiff, update ChangeLog

Author: oschulz

DifferentiationInterface/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased](https://github.com/JuliaDiff/DifferentiationInterface.jl/compare/DifferentiationInterface-v0.7.7...main)
 
+  - Support the new `ADTypes.NoAutoDiff` ([#851](https://github.com/JuliaDiff/DifferentiationInterface.jl/pull/851))
+
 ## [0.7.7](https://github.com/JuliaDiff/DifferentiationInterface.jl/compare/DifferentiationInterface-v0.7.6...DifferentiationInterface-v0.7.7)
 
   - Improve support for empty inputs (still not guaranteed) ([#835](https://github.com/JuliaDiff/DifferentiationInterface.jl/pull/835))

DifferentiationInterface/src/utils/check.jl

@@ -24,5 +24,3 @@ check_available(::ADTypes.NoAutoDiff) = throw(ADTypes.NoAutoDiffSelectedError())
 Check whether `backend` supports differentiation of in-place functions and return a `Bool`.
 """
 check_inplace(backend::AbstractADType) = Bool(inplace_support(backend))
-
-check_inplace(::ADTypes.NoAutoDiff) = throw(ADTypes.NoAutoDiffSelectedError())

DifferentiationInterface/src/utils/traits.jl

@@ -23,6 +23,8 @@ Return [`InPlaceSupported`](@ref) or [`InPlaceNotSupported`](@ref) in a statical
 """
 inplace_support(::AbstractADType) = InPlaceSupported()
 
+inplace_support(::ADTypes.NoAutoDiff) = throw(ADTypes.NoAutoDiffSelectedError())
+
 function inplace_support(backend::SecondOrder)
     if inplace_support(inner(backend)) isa InPlaceSupported &&
         inplace_support(outer(backend)) isa InPlaceSupported

DifferentiationInterface/test/Core/Internals/backends.jl

@@ -18,6 +18,11 @@ using Test
 fb = AutoSimpleFiniteDiff()
 rb = AutoReverseFromPrimitive(AutoSimpleFiniteDiff())
 
+@testset "NoAutoDiff" begin
+    @test_throws NoAutoDiffSelectedError check_available(NoAutoDiff())
+    @test_throws NoAutoDiffSelectedError inplace_support(NoAutoDiff())
+end
+
 @testset "SecondOrder" begin
     backend = SecondOrder(fb, rb)
     @test check_available(backend)

DifferentiationInterface/test/Core/ZeroBackends/test.jl

@@ -10,9 +10,6 @@ using Test
 
 LOGGING = get(ENV, "CI", "false") == "false"
 
-@test_throws NoAutoDiffSelectedError check_available(NoAutoDiff())
-@test_throws NoAutoDiffSelectedError check_inplace(NoAutoDiff())
-
 zero_backends = [AutoZeroForward(), AutoZeroReverse()]
 
 for backend in zero_backends